| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $59,510 | $37,456 |
| 2016 | $63,060 | $40,354 |
| 2017 | $64,945 | $42,198 |
| 2018 | $64,945 | $39,758 |
| 2019 | $69,135 | $42,316 |
| 2020 | $70,565 | $43,746 |
| 2021* | $72,675 | $45,745 |
| 2022* | $74,848 | $47,836 |
| 2023* | $77,086 | $50,022 |
| 2024* | $79,391 | $52,308 |
| 2025* | $81,764 | $54,698 |
